Tower fan



FIG. 1 is a front and top perspective view of a tower fan, showing mynew design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is an enlarged view of a portion indicated with numeric 9 in FIG.1;

FIG. 10 is an enlarged view of a portion indicated with numeric 10 inFIG. 2; and,

FIG. 11 is an enlarged view of a portion indicated with numeric 11 inFIG. 7.

The broken lines in the figures illustrate portions of the tower fanthat form no part of the claimed design. The dash dot dash lines inFIGS. 1, 2, 7, 9, 10 and 11 are for the purpose of depicting theboundary lines of the enlarged views and form no part of the claimeddesign.

CLAIM The ornamental design for a tower fan, as shown and described.